JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank ac Circuits

  • question_answer
    Current in the circuit is wattless, if

    A)            Inductance in the circuit is zero

    B)            Resistance in the circuit is zero

    C)            Current is alternating

    D)            Resistance and inductance both are zero

    Correct Answer: B

    Solution :

               Because power \[={{i}^{2}}R,\] if R = 0, then P = 0.


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